Display screen, display device and method for manufacturing a display screen

Abstract

The present application relates to a display screen, a display device and a method for manufacturing a display screen. The display screen comprises a contour line and an active display region. The active display region includes an edge display region close to the contour line and a main display region away from the contour line. The edge display region and the contour line are intersected. The display screen includes a light-emitting layer and a light-outputting layer having a first region, the first region of the light-outputting layer has a scattering structure provided thereon. Light emitted from the light-emitting layer is deviated from an original propagation direction after passing through the scattering structure. The first region is formed into at least a partial region on the light-outputting layer corresponding to the edge display region.

What is claimed is: 
     
         1 . A display screen, wherein
 the display screen comprises a contour line, and an active display region,   the active display region comprises an edge display region close to the contour line and a main display region away from the contour line, and   the edge display region and the contour line are intersected; and   wherein the display screen comprises a light-emitting layer and a light-outputting layer having a first region,   the first region of the light-outputting layer has a scattering structure provided thereon,   light emitted from the light-emitting layer is deviated from an original propagation direction after passing through the scattering structure, and   the first region is formed into at least a partial region of the light-outputting layer corresponding to the edge display region.   
     
     
         2 . The display screen according to  claim 1 , wherein a projection of the first region on a substrate of the display screen is a first projection, a projection of the edge display region on the substrate of the display screen is a second projection, and the first projection overlaps the second projection. 
     
     
         3 . The display screen according to  claim 1 , wherein a projection of the first region on a substrate of the display screen is a first projection, a projection of the edge display region located outside a defined region of the contour line on the substrate of the display screen is a third projection, and the first projection overlaps the third projection. 
     
     
         4 . The display screen according to  claim 1 , wherein the display screen is a top light-emitting structure, and the light-outputting layer is at least one of a light extraction layer, a negative electrode, and a top cover plate; or the display screen is a bottom light-emitting structure, and the light-outputting layer is a positive electrode and/or a bottom cover plate. 
     
     
         5 . The display screen according to  claim 4 , wherein the display screen is the top light-emitting structure, when the light-outputting layer is the light extraction layer, the scattering structure is a concave-convex structure or a scattering particle layer provided on the first region of the light extraction layer; when the light-outputting layer is the negative electrode, the scattering structure is a concave-convex structure or a scattering particle layer provided on the first region of the negative electrode; and when the light-outputting layer is the top cover plate, the scattering structure is a concave-convex structure or a scattering particle layer provided on the first region of the top cover plate;
 or the display screen is the bottom light-emitting structure, when the light-outputting layer is the positive electrode, the scattering structure is a concave-convex structure or a scattering particle layer provided on the first region of the positive electrode; and when the light-outputting layer is the bottom cover plate, the scattering structure is a concave-convex structure or a scattering particle layer provided on the first region of the bottom cover plate.   
     
     
         6 . The display screen according to  claim 5 , wherein the scattering structure is the concave-convex structure provided on the first region of the light-outputting layer, the concave-convex structure is formed on the light-outputting layer by an embossing or etching process, or the scattering structure is the scattering particle layer provided on the first region of the light-outputting layer, and the scattering particle layer is one or more of organic silicone, polyethylene, acrylic resin, nano-barium sulfate, silicon dioxide and calcium carbonate, and the scattering particle layer is formed on a surface of the light-outputting layer by an evaporation process. 
     
     
         7 . The display screen according to  claim 6 , wherein a scattering effect of the scattering structure is in direct proportion to a particle diameter of scattering particles of the scattering particle layer, and the scattering effect of the scattering particles of the scattering structure is in direct proportion to a density of the scattering particle layer. 
     
     
         8 . The display screen according to  claim 7 , wherein the particle diameter of the scattering particles of the scattering particle layer ranges from 5 um to 100 um. 
     
     
         9 . The display screen according to  claim 7 , wherein the density of the scattering particles of the scattering particle layer ranges from 10% to 40%. 
     
     
         10 . The display screen according to  claim 1 , wherein the scattering structure is provided on a surface of the light-outputting layer facing towards or facing away from a surface of the light-emitting layer. 
     
     
         11 . The display screen according to  claim 1 , wherein a normal distance between the edge display region and the contour line is greater than 0 mm and less than 3 mm. 
     
     
         12 . A display screen, wherein the display screen comprises a contour line and an active display region, the active display region comprises an edge display region close to the contour line and a main display region away from the contour line, and the edge display region and the contour line are intersected; and wherein
 the display screen comprises a substrate, a light-emitting structure and a cover plate, the light-emitting structure is formed on the substrate, and covered over by the cover plate, at least a part of the edge display region is provided with a scattering layer, and the scattering layer is provided on a surface of the cover plate.   
     
     
         13 . The display screen according to  claim 12 , wherein the scattering layer is provided on the surface of the cover plate facing towards or facing away from a surface of the light-emitting structure. 
     
     
         14 . The display screen according to  claim 12 , wherein a normal distance between the edge display region and the contour line is greater than 0 mm and less than 3 mm. 
     
     
         15 . The display screen according to  claim 12 , wherein the scattering layer is provided on the cover plate corresponding to a region of the edge display region located outside a defined region of the contour line. 
     
     
         16 . The display screen according to  claim 12 , wherein the scattering layer is a scattering particle layer provided on the cover plate, and the scattering particle layer is one or more of organic silicone, polyethylene, acrylic resin, nano-barium sulfate, silicon dioxide and calcium carbonate. 
     
     
         17 . The display screen according to  claim 16 , wherein a scattering effect of the scattering layer is in direct proportion to a particle diameter of scattering particles of the scattering particle layer, and the scattering effect of the scattering layer is in direct proportion to a density of the scattering particles. 
     
     
         18 . The display screen according to  claim 17 , wherein the particle diameter of the scattering particles ranges from 5 um to 100 um. 
     
     
         19 . The display screen according to  claim 17 , wherein the density of the scattering particles ranges from 10% to 40%. 
     
     
         20 . A method for manufacturing a display screen, configured to manufacture a display screen, and comprising:
 providing a substrate on which a light-emitting structure is provided;   positioning a cover plate over the light-emitting structure, and determining a laying region of scattering particles to be laid and an adjusting degree to a display picture of an edge display region, according to a display condition of the edge display region of the light-emitting structure;   determining a particle diameter and a density of the scattering particles to be laid according to the laying region of the scattering particles to be laid and the adjusting degree; and   coating the scattering particles on a surface of the cover plate according to the laying region, the particle diameter, and the density of the scattering particles to be laid, to reduce an luminance of the display picture of the edge display region.